XCZ-075-PRF-BF 3/4"
pre-assembled kit with Low Flow in-line valve and automatic
Back Flush Filter
This compact, factory assembled two-piece kit combines the
3/4” Low
Flow Valve with the 3/4" Pressure Regulating Back Flush
Filter to save installation time. The Low Flow Valve is the
only valve on the market that can effectively handle low
flows (below 3 gpm (0,19 l/s)) without weeping. The Pressure
Regulating Back Flush Filter is a 200 mesh (75 micron) automatic
self-cleaning filter that includes a 30 psi (2,1 bars) pressure
regulator. The Back
Flush Filter should be used in municipal water applications
only.
Caution: An in-line check valve is required if the kit is
not at the highest point in the irrigation system.
Pressure Loss Chart
In order to supply 30 psi (2,1 bars) outlet
pressure, additional pressure is needed at the inlet since
there is some pressure loss from water flowing through the
kit. The amount of pressure loss depends on the flowrate.
The charts below list the minimum inlet pressure required
to supply 30 psi (2,1 bars) of outlet pressure.
Minimum Inlet Pressure
for 30 psi Outlet Pressure
Flow GPM
PSI
0.2
34.6
1
36.5
3
38.2
5
43.6
Metric
Minimum Inlet Pressure
for 2,1 Bars Outlet Pressure